SE8002723L - Forbettrad blekningssekvens - Google Patents
Forbettrad blekningssekvensInfo
- Publication number
- SE8002723L SE8002723L SE8002723A SE8002723A SE8002723L SE 8002723 L SE8002723 L SE 8002723L SE 8002723 A SE8002723 A SE 8002723A SE 8002723 A SE8002723 A SE 8002723A SE 8002723 L SE8002723 L SE 8002723L
- Authority
- SE
- Sweden
- Prior art keywords
- chlorine
- improve black
- black sequence
- solution
- dissolved
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
- D21C9/142—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 in a multistage process involving ClO2/Cl2 exclusively
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/20—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen
- D06L4/22—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents
- D06L4/24—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents using chlorites or chlorine dioxide
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Textile Engineering (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3055779A | 1979-04-16 | 1979-04-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8002723L true SE8002723L (sv) | 1980-10-17 |
SE445367B SE445367B (sv) | 1986-06-16 |
Family
ID=21854784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8002723A SE445367B (sv) | 1979-04-16 | 1980-04-10 | Forfarande for blekning av cellulosabaserat fibermaterial med klordioxid och klor i serie |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS55142787A (sv) |
AR (1) | AR219443A1 (sv) |
BR (1) | BR8002327A (sv) |
CA (1) | CA1120660A (sv) |
CS (1) | CS228128B2 (sv) |
FI (1) | FI71964B (sv) |
FR (1) | FR2454478A1 (sv) |
PL (1) | PL123711B1 (sv) |
SE (1) | SE445367B (sv) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5192362B2 (ja) * | 2008-12-16 | 2013-05-08 | 株式会社前川製作所 | パルプ漂白水の製造方法及び装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR94026E (fr) * | 1965-06-28 | 1969-06-20 | Hooker Chemical Corp | Procédé de blanchiment des matieres cellulosiques. |
CA926056A (en) * | 1966-01-10 | 1973-05-15 | C. Logan Kenneth | Process of bleaching woodpulp |
FR1489262A (fr) * | 1966-06-28 | 1967-07-21 | Canadian Ind | Blanchiment de la pâte de bois |
US3501374A (en) * | 1968-12-26 | 1970-03-17 | Hooker Chemical Corp | Sequential bleaching of kraft pulp with chlorine dioxide and chlorine |
ZA791174B (en) * | 1978-03-30 | 1980-10-29 | Erco Ind Ltd | Bleaching procedure |
-
1980
- 1980-03-06 CA CA000347139A patent/CA1120660A/en not_active Expired
- 1980-03-17 AR AR280331A patent/AR219443A1/es active
- 1980-04-08 FI FI801103A patent/FI71964B/fi not_active Application Discontinuation
- 1980-04-10 SE SE8002723A patent/SE445367B/sv not_active IP Right Cessation
- 1980-04-14 JP JP4818480A patent/JPS55142787A/ja active Pending
- 1980-04-15 CS CS802613A patent/CS228128B2/cs unknown
- 1980-04-15 FR FR8008451A patent/FR2454478A1/fr active Granted
- 1980-04-15 BR BR8002327A patent/BR8002327A/pt not_active IP Right Cessation
- 1980-04-15 PL PL1980223468A patent/PL123711B1/pl unknown
Also Published As
Publication number | Publication date |
---|---|
PL223468A1 (sv) | 1981-03-27 |
AR219443A1 (es) | 1980-08-15 |
BR8002327A (pt) | 1980-12-02 |
PL123711B1 (en) | 1982-11-30 |
FI71964B (fi) | 1986-11-28 |
JPS55142787A (en) | 1980-11-07 |
FI801103A (fi) | 1980-10-17 |
SE445367B (sv) | 1986-06-16 |
FR2454478B1 (sv) | 1983-09-23 |
FR2454478A1 (fr) | 1980-11-14 |
CA1120660A (en) | 1982-03-30 |
CS228128B2 (en) | 1984-05-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
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